<?php
/**
 * 产品参数属性定义接口  GET /api/company/product_attrs.php?industry=汽车制造
 * 返回指定行业的参数属性定义（EAV），供新增产品弹窗动态生成参数输入项
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';

checkPermission('company');

$industry = trim($_REQUEST['industry'] ?? '');
if ($industry === '') {
    Response::error('参数错误', 400);
}

$pdo = DB::getInstance()->getPdo();
$attrs = $pdo->prepare(
    "SELECT id, attr_name, attr_type, unit FROM company_products_attr
     WHERE industry = ? AND is_active = 1 ORDER BY sort_order, id"
);
$attrs->execute([$industry]);

Response::success(['attrs' => $attrs->fetchAll()]);